Police said no weapon was seized from the accused. (File)
Four people were arrested from Haryana's Ambala district on Saturday for their alleged involvement in the attack on Bhim Army chief Chandra Shekhar Aazad, a police official said.
They were arrested in a joint operation by the Haryana and Uttar Pradesh police, Haryana Special Task Force Deputy Superintendent of Police Aman Kumar said.
The four were arrested from the Shahzadpur area in Ambala, police said.
The Dalit leader was injured when unidentified attackers opened fire on his car in Deoband in Uttar Pradesh on June 28.
The four were arrested from the Shahzadpur area in Ambala, Mr Kumar said and added that the accused were identified as Vikas of Haryana and Vikas, Prashant and Lovish of Uttar Pradesh.
Vikas belonged to Gonder village in Haryana's Karnal district while the three others hailed from Rankhandi village in Uttar Pradesh's Saharanpur area, he said.
Mr Kumar said no weapon was seized from them and they were handed over to the Uttar Pradesh Police.
On June 28, Aazad (36) had gone to attend a 'terhavin' ritual at a supporter's home in Saharanpur district's Deoband and the attackers fired "four shots" at his SUV when he was leaving.
(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)